<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>浮动</title>
    <link rel="stylesheet" href="style2.css" type="text/css">
</head>
<body>
    <div id="container">
        <div id="fd"></div>
        <div id="sd"></div>
        <div id="td"></div>
        <div id="text">helloworld</div>
    </div>
</body>
</html>